Lunt 40 mm Dedicated Hydrogen-Alpha Solar Telescope

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Lunt 40 mm Dedicated Hydrogen- Alpha Specification:

Telescope Type: Dedicated H-alpha

Universal Capabilities: H-alpha

Aperture: 40 mm

Objective Type: Custom Doublet Optimized at 656 nm

Objective Coating: Ion Assist Ultra-Narrowband AR (656 nm)

Focal Ratio: F/10

Focal Length: 400 mm

Focuser Options: Helical or Feather Touch

Mounting: Mounting Foot

Storage: Box with Fitted Foam, Hard Case Optional

H-alpha Etalon Type: Internal Dedicated

Etalon Wavelength: 656.28 nm

Etalon Bandpass: <0.7 Å Single Stack, <0.5 Å Double Stack

Etalon Material: UV Grade Fused Silica

Etalon Tuning: Tilt

Doppler Shifting: Instant

Blocking Filter Size: 5 mm, 6 mm, 12 mm, Diagonal

Blocking Filter Bandpass: 6 Å

Sun Finder: TeleVue Sol Searcher built in

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